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Finding the Fourth Proportional to 95,158.92, 142,693.74 and 55,727.88

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Solution

The fourth proportional to 95,158.92, 142,693.74 and 55,727.88 is: 83,565.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,158.92 : 142,693.74 = 55,727.88 : x
  2. Step 2: Convert to fraction form
    95,158.92/142,693.74 = 55,727.88/x
  3. Step 3: Cross multiply
    95,158.92x = 142,693.74 × 55,727.88
  4. Step 4: Simplify right side
    95,158.92x = 7,952,019,619.47
  5. Step 5: Solve for x
    x = 7,952,019,619.47/95,158.92
  6. Step 6: Final answer
    x = 83,565.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.